Robert Wilson, a leader in avant-garde theater who collaborated with Philip Glass, David Byrne and Lady Gaga over his six-decade career, has died. He was 83.

He upended theatrical norms with his own stunningly visualized works and his collaborations with a wide range of artists, from Philip Glass (“Einstein on the Beach”) to Lady Gaga.

Wilson, whose work was often characterized by distinct lighting and the expansion of time, worked with art world luminaries like Laurie Anderson, Jim Jarmusch, Mikhail Baryshnikov, Allen Ginsberg, and